value_t Hash::to_s(Hash *self)
{
RecursionDetector<RecursionType::Hash_to_s, false> rd(self);
if(rd.recursion())
return String::get("{...}");
CharArray result = "{";
OnStack<1> os1(self);
OnStackString<1> os2(result);
HashAccess::each_pair(self, [&](value_t key, value_t value) -> bool {
OnStack<1> os(value);
result += inspect(key);
result += "=>";
result += inspect(value);
result += ", ";
return true;
});
if(result.size() > 1)
result.shrink(result.size() - 2);
result += "}";
return result.to_string();
}
value_t IO::rb_readlines(String *path)
{
Stream *file;
Platform::wrap([&] {
file = Platform::open(path->string, Platform::Read, Platform::Open);
});
Finally finally([&] {
delete file;
});
auto result = Array::allocate();
while(true)
{
CharArray line = file->gets();
if(line.size())
result->vector.push(line.to_string());
else
break;
}
return result;
}
value_t rb_each_line(IO *io, value_t block)
{
OnStack<2> os(io, block);
while(true)
{
io->assert_stream();
CharArray line = io->stream->gets();
if(line.size())
yield(block, line.to_string());
else
break;
}
return io;
}